All Cruise Lines

Costa Cruise Lines

Costa Diadema

Costa Diadema Shore Excursions
Costa Diadema Deck Plans & Cabin Photos

For help choosing a cruise, try our Virtual Cruise Advisor™ or Live Help.

Detailed Ship Information: Weighing in at 132,500 gross tonnage and with accommodation for a total of 4,947 Guests, this is the biggest Italian-flagged cruise ship afloat. The Costa Diadema reflects perfectly the meaning of... Read More

Select a sail date below for competing quotes from multiple travel agencies:

3 Night - South America Roundtrip from Itajai
Starting in Itajai, Brazil, Santos, Brazil, Itajai, Brazil

2025 Sails: Dec 7, 2026: Apr 8, Apr 15

3 Night - South America Roundtrip from Santos
Starting in Santos, Brazil, Itajai, Brazil, Santos, Brazil

2025 Sails: Dec 8, Dec 11, Dec 18, 2026: Apr 2, Apr 9, Apr 16

3 Night - South America from Santos to Buenos Aires
Starting in Santos, Brazil, Buenos Aires, Argentina

2025 Sails: Dec 21

3 Night - South America from Montevideo to Santos
Starting in Montevideo, Uruguay, Itajai, Brazil, Santos, Brazil

2026 Sails: Mar 26

3 Night - Southern Europe Roundtrip from Barcelona
Starting in Barcelona, Marseille, Savona, Barcelona

2026 Sails: Oct 31

4 Night - South America Roundtrip from Itajai
Starting in Itajai, Brazil, Santos, Brazil, Ilhabela, Brazil, Itajai, Brazil

2025 Sails: Dec 13, 2026: Apr 4

4 Night - South America Roundtrip from Santos
Starting in Santos, Brazil, Ilhabela, Brazil, Itajai, Brazil, Santos, Brazil

2025 Sails: Dec 14, 2026: Mar 29, Apr 5, Apr 12

4 Night - Transatlantic from Southampton
Starting in Southampton, Zeebrugge, Kiel

2026 Sails: May 11

4 Night - Western Mediterranean from Marseille
Starting in Marseille, Savona, Barcelona, Marseille

2026 Sails: Sep 22, Oct 28

4 Night - Western Mediterranean from Savona
Starting in Savona, Barcelona, Marseille, Savona

2026 Sails: Sep 23

4 Night - Western Mediterranean from Savona
Starting in Savona, Barcelona, Marseille, Savona

2026 Sails: Oct 29

5 Night - Transatlantic from Savona
Starting in Savona, Barcelona, Malaga, Lisbon

2026 Sails: Nov 2

6 Night - Western Mediterranean from Barcelona
Starting in Barcelona, Cadice, Lisbon, Gibraltar, Malaga

2026 Sails: Sep 28

6 Night - Western Mediterranean from Malaga
Starting in Malaga, Cartagena ES, Spain, Marseille, Savona, Barcelona

2026 Sails: Oct 25

7 Night - South America Roundtrip from Itajai
Starting in Itajai, Brazil, Santos, Brazil, Buenos Aires, Argentina, Montevideo, Uruguay, Itajai, Brazil

2025 Sails: Dec 20, Dec 27, 2026: Jan 3, Jan 10, Jan 17, Jan 24, Jan 31, Feb 7, Feb 14, Feb 21, Feb 28, Mar 7, Mar 14, Mar 21

7 Night - South America Roundtrip from Santos
Starting in Santos, Brazil, Buenos Aires, Argentina, Montevideo, Uruguay, Itajai, Brazil, Santos, Brazil

2025 Sails: Dec 21, Dec 28, 2026: Jan 4, Jan 11, Jan 18, Jan 25, Feb 1, Feb 8, Feb 15, Feb 22, Mar 1, Mar 8, Mar 15, Mar 22

7 Night - South America Roundtrip from Buenos Aires
Starting in Buenos Aires, Argentina, Montevideo, Uruguay, Itajai, Brazil, Santos, Brazil, Buenos Aires, Argentina

2025 Sails: Dec 24, Dec 31

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Flam, Norway, Bergen, Stavanger, Kiel

2026 Sails: May 15

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Flam, Norway, Bergen, Stavanger, Kiel, Copenhagen

2026 Sails: May 16

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Flam, Norway, Alesund, Stavanger, Kiel

2026 Sails: May 22

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Flam, Norway, Alesund, Stavanger, Kiel, Copenhagen

2026 Sails: May 23

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Alesund, Stavanger, Kiel

2026 Sails: May 29, Jun 5, Jun 12, Jul 24, Aug 28

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Alesund, Stavanger, Kiel, Copenhagen

2026 Sails: May 30, Jun 6, Jun 13, Jul 25, Aug 29

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Bergen, Stavanger, Kiel

2026 Sails: Jun 19, Jul 3, Jul 10, Jul 31, Aug 7, Aug 14, Aug 21

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Bergen, Stavanger, Kiel, Copenhagen

2026 Sails: Jun 20, Jul 4, Jul 11, Aug 1, Aug 8, Aug 15, Aug 22

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Alesund, Stavanger, Kiel

2026 Sails: Jun 26

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Alesund, Stavanger, Kiel, Copenhagen

2026 Sails: Jun 27

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Bergen, Haugesund (No), Kiel

2026 Sails: Jul 17

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Bergen, Haugesund (No), Kiel, Copenhagen

2026 Sails: Jul 18

7 Night - North Europe from Kiel
Starting in Kiel, Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Olden, Stavanger, Kiel

2026 Sails: Sep 4

7 Night - North Europe from Copenhagen
Starting in Copenhagen, Hellesylt Tech Call, Geiranger, Norway, Olden, Stavanger, Kiel, Copenhagen

2026 Sails: Sep 5

8 Night - Mediterranean Roundtrip from Cadiz
Starting in Cadice, Gibraltar, Malaga, Marseille, Savona, Barcelona, Cadice

2026 Sails: Oct 13

9 Night - Transatlantic from Lisbona
Starting in Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel

2026 Sails: May 6

9 Night - Transatlantic from Copenhagen
Starting in Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona

2026 Sails: Sep 12

10 Night - Transatlantic from Kiel
Starting in Kiel, Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona

2026 Sails: Sep 11

10 Night - Transatlantic from Copenhagen
Starting in Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona, Marseille

2026 Sails: Sep 12

10 Night - Western Mediterranean from Marseille
Starting in Marseille, Savona, Barcelona, Tangier, Casablanca, Cadice, Gibraltar, Malaga, Marseille

2026 Sails: Oct 7

10 Night - Western Mediterranean from Savona
Starting in Savona, Barcelona, Tangier, Casablanca, Cadice, Gibraltar, Malaga, Marseille, Savona

2026 Sails: Oct 8

10 Night - Western Mediterranean from Barcelona
Starting in Barcelona, Tangier, Casablanca, Cadice, Gibraltar, Malaga, Marseille, Savona, Barcelona

2026 Sails: Oct 9

10 Night - Mediterranean from Cadiz to Barcelona
Starting in Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille, Savona, Barcelona

2026 Sails: Oct 21

11 Night - Transatlantic from Kiel
Starting in Kiel, Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona, Marseille

2026 Sails: Sep 11

11 Night - Transatlantic from Copenhagen
Starting in Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona, Marseille, Savona

2026 Sails: Sep 12

11 Night - Western Mediterranean from Marseille
Starting in Marseille, Savona, Barcelona, Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille

2026 Sails: Sep 26

11 Night - Western Mediterranean from Savona
Starting in Savona, Barcelona, Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille, Savona

2026 Sails: Sep 27, Oct 18

11 Night - Western Mediterranean from Barcelona
Starting in Barcelona, Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille, Savona, Barcelona

2026 Sails: Sep 28

11 Night - Western Mediterranean from Marseille
Starting in Marseille, Savona, Barcelona, Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille

2026 Sails: Oct 17

12 Night - Transatlantic from Maceio
Starting in Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon

2026 Sails: Apr 24

12 Night - Transatlantic from Kiel
Starting in Kiel, Copenhagen, Kristiansand, Le Havre, Vigo, Malaga, Alicante, Barcelona, Marseille, Savona

2026 Sails: Sep 11

12 Night - Western Mediterranean from Barcelona
Starting in Barcelona, Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille, Savona, Barcelona

2026 Sails: Oct 19

13 Night - Transatlantic from Salvador Bahia
Starting in Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon

2026 Sails: Apr 23

13 Night - Mediterranean Roundtrip from Cadiz
Starting in Cadice, Lisbon, Gibraltar, Malaga, Cartagena ES, Spain, Marseille, Savona, Barcelona, Tangier, Casablanca, Cadice

2026 Sails: Sep 30

15 Night - Transatlantic from Lisbona
Starting in Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro

2026 Sails: Nov 7

16 Night - Transatlantic from Rio De Janeiro
Starting in Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon

2026 Sails: Apr 20

16 Night - Transatlantic from Lisbona
Starting in Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro, Santos

2026 Sails: Nov 7

17 Night - Transatlantic from Santos
Starting in Santos, Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon

2026 Sails: Apr 19

19 Night - Transatlantic from Barcelona
Starting in Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro

2026 Sails: Nov 3

20 Night - Transatlantic from Savona
Starting in Savona, Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro

2026 Sails: Nov 2

20 Night - Transatlantic from Barcelona
Starting in Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro, Santos

2026 Sails: Nov 3

21 Night - Transatlantic from Maceio
Starting in Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel

2026 Sails: Apr 24

21 Night - Transatlantic from Marseille
Starting in Marseille, Savona, Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro

2026 Sails: Nov 1

21 Night - Transatlantic from Savona
Starting in Savona, Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro, Santos

2026 Sails: Nov 2

22 Night - Transatlantic from Santos
Starting in Santos, Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton

2026 Sails: Apr 19

22 Night - Transatlantic from Salvador Bahia
Starting in Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel

2026 Sails: Apr 23

22 Night - Transatlantic from Marseille
Starting in Marseille, Savona, Barcelona, Malaga, Lisbon, Cadice, Las Palmas, Santa Cruz de Tenerife, St Vincent / Cape Verde / Mindelo, Maceio, Salvador Bahia, Rio De Janeiro, Santos

2026 Sails: Nov 1

25 Night - Transatlantic from Rio De Janeiro
Starting in Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel

2026 Sails: Apr 20

26 Night - Transatlantic from Santos
Starting in Santos, Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel

2026 Sails: Apr 19

26 Night - Transatlantic from Rio De Janeiro
Starting in Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel, Copenhagen

2026 Sails: Apr 20

27 Night - Transatlantic from Santos
Starting in Santos, Rio De Janeiro, Salvador Bahia, Maceio, Praia, Santa Cruz de Tenerife, Casablanca, Cadice, Lisbon, Leixoes, Vigo, Le Havre, Southampton, Zeebrugge, Kiel, Copenhagen

2026 Sails: Apr 19

About Costa Diadema

Weighing in at 132,500 gross tonnage and with accommodation for a total of 4,947 Guests, this is the biggest Italian-flagged cruise ship afloat. The Costa Diadema reflects perfectly the meaning of her name because it is beautiful and comfortable for size and sophistication furniture. Onboard Costa Diadema, guests spend intense and unforgettable holidays, offering exclusive innovations regarding culinary, entertainment and technology.

Costa Diadema Itineraries